<template>
  <div class="app-container">
    <a-card style="margin-bottom: 16px">
      <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
        <el-form-item label="单位" prop="unitId">
          <el-select v-model="queryParams.unitId" placeholder="请选择单位" clearable>
            <el-option
                v-for="dict in unitList"
                :key="dict.id"
                :label="dict.unitName"
                :value="parseInt(dict.id)"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="组别" prop="groupId">
          <el-select  v-model="queryParams.groupId" placeholder="请选择组别" clearable>
            <el-option
                v-for="dict in teacher_group_type"
                :key="dict.value"
                :label="dict.label"
                :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="性别类型" prop="sex">
          <el-select v-model="queryParams.sex" placeholder="请选择性别类型" clearable>
            <el-option
                v-for="dict in teacher_sex_type"
                :key="dict.value"
                :label="dict.label"
                :value="dict.value"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="教师名" prop="teacherName">
          <el-input
              v-model="queryParams.teacherName"
              placeholder="请输入教师名"
              clearable
              @keyup.enter="handleQuery"
          />
        </el-form-item>
        <el-form-item label="身份证号" prop="idCard">
          <el-input
              v-model="queryParams.idCard"
              placeholder="请输入身份证号"
              clearable
              @keyup.enter="handleQuery"
          />
        </el-form-item>
        <el-form-item label="手机号码" prop="mobile">
          <el-input
              v-model="queryParams.mobile"
              placeholder="请输入手机号码"
              clearable
              @keyup.enter="handleQuery"
          />
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
          <el-button icon="Refresh" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>

    </a-card>

    <a-card>
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
              type="primary"
              plain
              icon="Plus"
              @click="handleAdd"
              v-hasPermi="['business:teacher:add']"
          >新增</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
              type="success"
              plain
              icon="Edit"
              :disabled="single"
              @click="handleUpdate"
              v-hasPermi="['business:teacher:edit']"
          >修改</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
              type="danger"
              plain
              icon="Delete"
              :disabled="multiple"
              @click="handleDelete"
              v-hasPermi="['business:teacher:remove']"
          >删除</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
              type="info"
              plain
              icon="Upload"
              @click="handleImport"
              v-hasPermi="['system:student:import']"
          >导入
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
              type="warning"
              plain
              icon="Download"
              @click="handleExport"
              v-hasPermi="['business:teacher:export']"
          >导出</el-button>
        </el-col>

        <el-col :span="1.5">
          <el-button
              type="warning"
              plain
              icon="Download"
              @click="handleExportImg"
          >导出图片</el-button>
        </el-col>
        <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>

      <el-table v-loading="loading" :data="teacherList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="id" align="center" prop="id" />
        <el-table-column label="单位id" align="center" prop="unitId" />
        <el-table-column label="组别" align="center" prop="groupId">
          <template #default="scope">
            <dict-tag :options="teacher_group_type" :value="scope.row.groupId"/>
          </template>
        </el-table-column>
        <el-table-column label="头像路径" align="center" prop="avatarSrc" width="100">
          <template #default="scope">
            <image-preview :src="scope.row.avatarSrc" :width="50" :height="50"/>
          </template>
        </el-table-column>
        <el-table-column label="教师名" align="center" prop="teacherName" />
        <el-table-column label="性别类型" align="center" prop="sex">
          <template #default="scope">
            <dict-tag :options="teacher_sex_type" :value="scope.row.sex"/>
          </template>
        </el-table-column>
        <el-table-column label="身份证号" align="center" prop="idCard" />
        <el-table-column label="手机号码" align="center" prop="mobile" />
        <el-table-column label="备注" align="center" prop="remark" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template #default="scope">
            <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['business:teacher:edit']">修改</el-button>
            <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['business:teacher:remove']">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination
          v-show="total>0"
          :total="total"
          v-model:page="queryParams.pageNum"
          v-model:limit="queryParams.pageSize"
          @pagination="getList"
      />
    </a-card>

    <!-- 添加或修改教师对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="teacherRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="单位" prop="unitId">
          <el-select style="width:100%" v-model="form.unitId" placeholder="请选择单位" clearable>
            <el-option
                v-for="dict in unitList"
                :key="dict.id"
                :label="dict.unitName"
                :value="parseInt(dict.id)"
            />
          </el-select>
        </el-form-item>
        <el-form-item  label="组别" prop="groupId">
          <el-select style="width: 100%" v-model="form.groupId" placeholder="请选择组别">
            <el-option
                v-for="dict in teacher_group_type"
                :key="dict.value"
                :label="dict.label"
                :value="parseInt(dict.value)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="教师名" prop="teacherName">
          <el-input v-model="form.teacherName" placeholder="请输入教师名" />
        </el-form-item>
        <el-form-item label="身份证号" prop="idCard">
          <el-input v-model="form.idCard" placeholder="请输入身份证号" />
        </el-form-item>
        <el-form-item label="性别" prop="sex">
          <el-select  style="width:100%" v-model="form.sex" placeholder="请选择性别" clearable>
            <el-option
                v-for="dict in teacher_sex_type"
                :key="dict.value"
                :label="dict.label"
                :value="parseInt(dict.value)"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="手机号码" prop="mobile">
          <el-input v-model="form.mobile" placeholder="请输入手机号码" />
        </el-form-item>
        <el-form-item label="头像路径" prop="avatarSrc">
          <image-upload limit="1" v-model="form.avatarSrc"/>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
    <!-- 用户导入对话框 -->
    <el-dialog :title="upload.title" v-model="upload.open" width="400px" append-to-body>
      <el-upload
          ref="uploadRef"
          :limit="1"
          accept=".xlsx, .xls"
          :headers="upload.headers"
          :action="upload.url + '?updateSupport=' + upload.updateSupport"
          :disabled="upload.isUploading"
          :on-progress="handleFileUploadProgress"
          :on-success="handleFileSuccess"
          :auto-upload="false"
          drag
      >
        <el-icon class="el-icon--upload">
          <upload-filled/>
        </el-icon>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <template #tip>
          <div class="el-upload__tip text-center">
            <div class="el-upload__tip">
              <el-checkbox v-model="upload.updateSupport"/>
              是否更新已经存在的用户数据
            </div>
            <span>仅允许导入xls、xlsx格式文件。</span>
            <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;"
                     @click="importTemplate">下载模板
            </el-link>
          </div>
        </template>
      </el-upload>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitFileForm">确 定</el-button>
          <el-button @click="upload.open = false">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Teacher">
import { listTeacher, getTeacher, delTeacher, addTeacher, updateTeacher } from "@/api/business/teacher";
import { getUnitList } from "@/api/business/unit";
import {getToken} from "@/utils/auth";

const { proxy } = getCurrentInstance();
const { teacher_group_type,teacher_sex_type } = proxy.useDict('teacher_group_type','teacher_sex_type');

const teacherList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const unitList = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");
/*** 用户导入参数 */
const upload = reactive({
  // 是否显示弹出层（用户导入）
  open: false,
  // 弹出层标题（用户导入）
  title: "",
  // 是否禁用上传
  isUploading: false,
  // 是否更新已经存在的用户数据
  updateSupport: 0,
  // 设置上传的请求头部
  headers: {Authorization: "Bearer " + getToken()},
  // 上传的地址
  url: import.meta.env.VITE_APP_BASE_API + "/business/teacher/importData"
});

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    unitId: null,
    groupId: null,
    avatarSrc: null,
    teacherName: null,
    idCard: null,
    raceId: null,
    mobile: null,
  },
  rules: {
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询教师列表 */
function getList() {
  loading.value = true;
  listTeacher(queryParams.value).then(response => {
    teacherList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

function getUnits() {
  getUnitList({}).then(response => {
    unitList.value = response.data;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    unitId: null,
    groupId: null,
    avatarSrc: null,
    teacherName: null,
    idCard: null,
    raceId: null,
    mobile: null,
    createBy: null,
    createTime: null,
    updateBy: null,
    updateTime: null,
    remark: null
  };
  proxy.resetForm("teacherRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加教师";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value
  getTeacher(_id).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "修改教师";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["teacherRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateTeacher(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addTeacher(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal.confirm('是否确认删除教师编号为"' + _ids + '"的数据项？').then(function() {
    return delTeacher(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {});
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('business/teacher/export', {
    ...queryParams.value
  }, `teacher_${new Date().getTime()}.xlsx`)
}

function handleExportImg() {
  listTeacher({
    pageNum: 1,
    pageSize: 1000
  }).then(async response => {
    let list = response.rows;
    for (let i = 0; i < list.length; i++) {

      try{
        await exportImg('https://www.kmyunti.com/underBaseGameApi/' + list[i].avatarSrc, list[i].teacherName + ',' + list[i].unitName + '' + list[i].groupName);
        console.log(i)
      }catch (e) {

      }
      for (let j = 0; j < 4000; j++) {
        console.log(i)
      }
    }
  });
}

function exportImg(imgsrc,name) {
  return new Promise(((resolve, reject) => {

    try{
      let image = new Image();
      // 解决跨域 Canvas 污染问题
      image.setAttribute("crossOrigin", "anonymous");
      image.onload = function() {
        let canvas = document.createElement("canvas");
        canvas.width = image.width;
        canvas.height = image.height;
        let context = canvas.getContext("2d");
        context.drawImage(image, 0, 0, image.width, image.height);
        let url = canvas.toDataURL("image/png"); //得到图片的base64编码数据
        let a = document.createElement("a"); // 生成一个a元素
        let event = new MouseEvent("click"); // 创建一个单击事件
        a.download = name || "photo"; // 设置图片名称
        a.href = url; // 将生成的URL设置为a.href属性
        a.dispatchEvent(event); // 触发a的单击事件
        resolve('任务2成功')
      };
      image.src = imgsrc;
    }catch (e) {
      alert("dd")
    }
  }))


}

function importTemplate() {
  proxy.download('business/teacher/importTemplate', {
    ...queryParams.value
  }, `教师导入模板_${new Date().getTime()}.xlsx`)
}

/** 导入按钮操作 */
function handleImport() {
  upload.title = "教师导入";
  upload.open = true;
};


/**文件上传中处理 */
const handleFileUploadProgress = (event, file, fileList) => {
  upload.isUploading = true;
};
/** 文件上传成功处理 */
const handleFileSuccess = (response, file, fileList) => {
  upload.open = false;
  upload.isUploading = false;
  proxy.$refs["uploadRef"].handleRemove(file);
  proxy.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", {dangerouslyUseHTMLString: true});
  getList();
};

/** 提交上传文件 */
function submitFileForm() {
  proxy.$refs["uploadRef"].submit();
};

getList();
getUnits();
</script>
